/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/ConcertSyncSessionTypes.h
FConcertSessionActivity ( const [FConcertSyncActivity](API\Plugins\ConcertSyncCore\FConcertSyncActivity) & InActivity, const [FStructOnScope](API\Runtime\CoreUObject\UObject\FStructOnScope) & InActivitySummary, [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [FConcertSessionSerializedPayload](API\Plugins\Concert\FConcertSessionSerializedPayload) > OptionalEventPayload )